BC Climate: Monthly summary and long term trends

Author
Affiliation

Aseem Sharma e-mail: aseem.sharma@gov.bc.ca

Future Forest Ecosystems Centre, FCCSB, OCF, BC Ministry of Forests

Published

January 16, 2025

1 December-2024 climate summary

BC climate summary of December-2024. The average anomaly ranking (higest positive anomaly being 1) and trends are for 1950 -2024.
Measures Mean Temperature Precipitation Vapour pressure deficiet (VPD) Relative Humidity Soil moisture
Spatial average anomaly 4.18 14.32 -0.02 5.21 2.22
Spatial minimum anomaly 0.26 -33.36 -0.31 -2.29 -24.78
Spatial maximum anomaly 7.50 107.67 0.45 11.41 26.90
Average anomaly ranking 3.00 31.00 39.00 1.00 15.00
Spatial average trend 0.02 -0.33 0.00 0.00 0.01
Spatial minimum trend -0.01 -0.90 0.00 -0.08 -0.28
Spatial maximum trend -0.01 -0.90 0.00 -0.08 -0.28
Linear trend 0.03 -0.30 0.00 0.00 0.02
Linear trend p-val 0.10 0.07 0.01 0.87 0.12

Below you find the spatial anomalies and long term trend of air temperature, vapor pressure deficit (VPD), total monthly precipitation, relative humidity (RH), and volumetric soil moisture (0 - 1m depth) for the month of December-2024.

2 Mean temperature and vapor pressure deficit (VPD)

2.1 Anomaly: December-2024

Figure 1: Anomalies in mean temperature and VPD for December 2024 relative to climate average of December 1981 - 2010.

2.2 Last 12 months anomaly: November 2023 to December 2024

Figure 2: Average anomalies in mean temperature and VPD for November 2023 to December 2024 relative to climate average of 1981 - 2010 .

3 Precipitation, Relative Humidity (RH) and soil moisture

3.1 Anomaly: December-2024

Figure 5: Anomalies in total precipitation, relative humidity and volumetric soil mositure (0-1m) for December 2024 relative to climate average of December 1981 - 2010.

3.2 Last 12 months anomaly: November 2023 to December 2024

Figure 6: Anomalies in total precipitation, relative humidity and volumetric soil moisture (0-1m) for November 2023 to December 2024 relative to climate average of 1981 - 2010.